we are tyco integrated security. and we are sharper. ♪ (train horn) vo: wherever our trains go, the economy comes to life. norfolk southern. one line, infinite possibilities. ...and we inspected his brakes for free. -free is good. -free is very good. [ male announcer ] now get 50% off brake pads and shoes at meineke. >>> we're back with ray kelly, the nypd commissioner, the man who must protect america's number one city and number one target. peter king, congressman peter king says what we need, what this boston marathon attack proves is we need a more aggressive and explicit targeting investigation of ameri america's muslim communities. would you agree with that? >> well, i certainly wouldn't say community, but we follow leads wherever those leads take us. we've been targeted 16 times, a combination of good work on part of the federal government, nypd and shear luck we haven't been attacked. we will follow wherever the leads take us, irrespective of the community we're talking about. >> but the vast majority of th